Pith Number

pith:5VM75LAG

pith:2019:5VM75LAG2SYR5QWXUA3BFI7DH4

not attested not anchored not stored refs pending

Hierarchical Back Projection Network for Image Super-Resolution

Chu-Tak Li, Li-Wen Wang, Wan-Chi Siu, Zhi-Song Liu

arxiv:1906.06874 v2 · 2019-06-17 · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VM75LAG2SYR5QWXUA3BFI7DH4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:42:52.987478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed59feac06d4b11ec2d7a03612a3e33f1986c37d035c2fccc9221035aad9e42d

Aliases

arxiv: 1906.06874 · arxiv_version: 1906.06874v2 · doi: 10.48550/arxiv.1906.06874 · pith_short_12: 5VM75LAG2SYR · pith_short_16: 5VM75LAG2SYR5QWX · pith_short_8: 5VM75LAG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5VM75LAG2SYR5QWXUA3BFI7DH4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ed59feac06d4b11ec2d7a03612a3e33f1986c37d035c2fccc9221035aad9e42d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5e25d49c4a954624dfed7b4fac28f0e9ad48645a3b73368f151675f29e488a",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-17T07:23:01Z",
    "title_canon_sha256": "ff24318baa5e2f1f56d97f276ce08e7aa189d7f7772956c7ca1fd37bfd814969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06874",
    "kind": "arxiv",
    "version": 2
  }
}